Canister



FIG. 1 is a top and side perspective view of a canister showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a side elevational view thereof from the right of FIG. 4, the elevational view from the left of FIG. 4 being the mirror image thereof. 

The ornamental design for a canister, as shown and described. 